expertness

English

Etymology

expert +‎ -ness

Noun

expertness (usually uncountable, plural expertnesses)

1. The state of being expert.
2. skill or proficiency
   • 1861, E. J. Guerin, Mountain Charley, page 22:

     I had […] armed myself with a revolver, in the use of which I finally reached a certain degree of expertness from frequent practice.

Translations

state of being expert

• Finnish: asiantuntijuus

skill or proficiency

• Finnish: asiantuntemus (fi)